The '+' operator was deprecated in 2011 [0]. Based on Google’s advanced operator page at one point, the addition of a plus sign to a search termed either promp

The '+' operator was deprecated in 2011 [0]. Based on Google’s advanced operator page at one point, the addition of a plus sign to a search termed either prompted the lookup of Google+ pages or a blood type. '+' was replaced by adding quotes around each search term. [0] https://googlesystem.blogspot.com/2011/10/googles-plus-operator-no-longer.html https://googlesystem.blogspot.com/2011/10/googles-plus-opera...